AIIMS 2011
- Exam
- AIIMS
- Year
- 2011
- Subject
- Zoology
- Chapter
- Neural Control and Coordination
AIIMS 2011 · Zoology · Neural Control and Coordination
Assertion : Organ of Corti rests on tectorial membrane. Reason : It...
Assertion : Organ of Corti rests on tectorial membrane.
Reason : It helps to maintain equilibrium of body.
Options
- AIf both assertion and reason are true and reason is the correct explanation of assertion
- BIf both assertion and reason are true but reason is not the correct explanation of assertion
- CIf assertion is true but reason is false
- DIf both assertion and reason are false.
Correct answer
D. If both assertion and reason are false.
Step-by-step solution
The organ of Corti lies on the basilar membrane. It contains a series of electromechanically sensitive cells i.e. hair cells. They are the receptive end organs that generate nerve impulses in response to sound vibrations. Thus, organ of Corti is actually the organ that perceives sound. Minute hairs project upward from hair cell and they are embedded in the tectorial membrane. Equilibrium of body is maintained with the help of semicircular canals, utricle and saccule of internal ear.